Detachable manual carrying trolley

By designing a detachable manual handling trolley, the existing manual forklift has limited lifting height and large volume and is not easy to disassemble, and efficient lifting and handling of goods is achieved, which is easy to carry with the vehicle and save manpower.

CN222665303UActive Publication Date: 2025-03-25CHINA 19TH METALLURGICAL CORP
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Patent Information

Application Number
CN202420832484.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-03-25
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

The existing manual forklifts have limited lifting height, and cannot complete the handling of goods with a large lifting stroke during transportation. At the same time, their overall size is large and difficult to disassemble, making it difficult to carry with you.

Method used

A detachable manual handling trolley is designed, including a base and a loading mechanism, with casters on the base, and the loading mechanism includes a loading platform and a lifting guide rail of the loading mechanism. The lifting and lowering of the cargo is realized through the combination of fixed pulleys and manual winchs, and efficient handling and loading and unloading of the cargo is realized.

Benefits of technology

The manual handling trolley can be disassembled into multiple components with smaller volume and weight, reducing the transportation volume and facilitating handling and carrying with the vehicle; through the rapid assembly and disassembly design, the assembly and disassembly efficiency is improved, and the distance for manual handling of goods is shortened through the conveyor belt on the loading mechanism, saving manpower.

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Abstract

The utility model belongs to the technical field of transportation devices, and particularly relates to a detachable manual carrying trolley which comprises a base and a carrying mechanism, trundles are arranged on the base, and the carrying mechanism comprises a carrying table and lifting lugs. The door-shaped frame is connected to the base in an inserted mode, lifting guide rails are arranged on two stand columns of the door-shaped frame, and the carrying mechanism can do lifting motion along the lifting guide rails; a fixed pulley and a manual winch are arranged on the portal frame, and the fixed pulley is higher than the manual winch; a sling is arranged in a channel of the fixed pulley, one end of the sling is connected to the lifting lug, and the other end of the sling is wound on the manual winch. The device disclosed by the utility model can be disassembled into a plurality of assemblies with smaller volumes and weights, and is convenient to carry; the base and the door-shaped frame are connected in an inserted mode, rapid assembly and disassembly of the base and the door-shaped frame can be achieved, the assembly and disassembly efficiency is improved, and maintenance is convenient.
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Description

Technical Field

[0001] The utility model belongs to the technical field of transportation devices, and in particular relates to a detachable manual transport trolley. Background Art

[0002] In the process of cargo handling, motorized transport vehicles are often used for handling. Forklifts are commonly used industrial transport vehicles. Existing forklifts are mainly divided into three categories: internal combustion forklifts, electric forklifts and warehouse forklifts. Internal combustion forklifts are driven by fuel engines and are generally used in places where there are no special requirements for exhaust gas and noise; electric forklifts are generally driven by motors, and their own loads have power supplies; a small number of warehouse forklifts are manual forklifts, and the rest are motorized forklifts. Compared with manual forklifts, motorized forklifts have strong carrying capacity, high handling efficiency and save manpower. Despite this, motorized forklifts are generally not used when handling flammable and explosive goods in confined spaces such as warehouses, workshops or docks to prevent sparks from being generated during operation of motorized forklifts, leading to safety accidents such as fires or explosions. Therefore, manual forklifts should be used to transport goods in the above special occasions. This type of goods often needs to be transported to destinations such as construction sites or distribution points. Loaders and unloaders need to carry manual handling devices with them to transport and stack goods at the destination. Among them, the entrances and exits of some occasions are narrow and low, which is inconvenient for forklifts to enter.

[0003] At present, the most common manual forklift is a manual flatbed hydraulic forklift, which includes a frame, casters, lifting cylinders, pressure relief devices, forks driven by the lifting cylinder, lever arms and handles, etc. Its lifting height range is generally between 100mm and 200mm. This structure forklift is small in size and is convenient to carry and transport, but because of its very limited lifting height, it is only suitable for horizontal movement of goods and cannot complete the transportation of goods with a large lifting stroke during transportation.

[0004] The Chinese utility model patent with publication number CN205442529U discloses a manual transport vehicle, which includes a base with running wheels, a gantry fixedly connected to the base, a hydraulic mechanism installed on the base plate, and a loading mechanism slidably installed on the gantry, and the lifting structure can move up and down on the gantry. Although the manual transport vehicle provided by the utility model can realize lifting and horizontal transportation of goods, and the lifting stroke is sufficient, its overall volume is large and it is not easy to disassemble and assemble, and it is inconvenient to carry with the vehicle. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a detachable manual transport trolley, which is convenient for transport and carrying.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a detachable manual transport trolley, comprising a base and a carrying mechanism, the base is provided with casters, and the carrying mechanism comprises a carrying platform and a lifting lug;

[0007] It also includes a door frame plugged into the base, and two uprights of the door frame are provided with lifting rails, and the object-carrying mechanism can move up and down along the lifting rails;

[0008] The portal frame is provided with a fixed pulley and a manual winch, and the height position of the fixed pulley is higher than the height position of the manual winch;

[0009] A sling is arranged in the groove of the fixed pulley, one end of the sling is connected to the lifting eye, and the other end of the sling is wound around the manual winch.

[0010] Furthermore, the base is provided with two plug-in slots with notches facing upwards, and the door-shaped frame is provided with plug-in rods plug-connected with the plug-in slots;

[0011] The plug-in rod is the column.

[0012] Furthermore, both of the two columns are provided with lifting guide grooves, and the groove openings of the lifting guide grooves on the two columns face opposite directions;

[0013] The end of the lifting guide groove is provided with a mounting opening;

[0014] The lifting guide rail is the lifting guide groove;

[0015] The object-carrying mechanism is provided with a lifting part, and the lifting part can move up and down along the length direction of the lifting guide groove.

[0016] Furthermore, the notches of the two lifting guide grooves are arranged to face each other; and the mounting opening is located at the lower end of the lifting guide groove.

[0017] Furthermore, the lifting part is a roller, and a plurality of the rollers are provided, and the plurality of rollers are all rollingly connected to the lifting guide groove.

[0018] Furthermore, the door-type frame is provided with a plug-in limit portion and a push-pull handrail protruding in the horizontal direction.

[0019] Furthermore, one end of the sling connected to the lifting ear is provided with a hook portion, and the hook portion is hooked and connected to the lifting ear;

[0020] The manual winch is a self-locking manual winch.

[0021] Furthermore, a conveyor belt arranged in a horizontal direction is provided on the loading platform, and a handle is provided on the conveyor belt.

[0022] Furthermore, a first connecting portion is provided on the conveyor belt, and a second connecting portion for connecting with the first connecting portion is provided on the loading platform, and the second connecting portion is connected to the first connecting portion to position the conveyor belt in the conveying direction.

[0023] Furthermore, the first connecting portion is a positioning hole provided on the handle, and the second connecting portion is a positioning column; the positioning hole is hooked and connected to the positioning column to position the conveyor belt in the conveying direction.

[0024] Compared with the prior art, the utility model has the following beneficial effects: providing a detachable manual transport trolley, which can be disassembled into multiple components with smaller volume and weight, reducing the transport volume and facilitating transport; the multiple disassembled components can be reassembled after transport, and by connecting the base and the door frame in a plug-in manner, the two can be quickly assembled and disassembled, improving assembly and disassembly efficiency and facilitating maintenance. By arranging a conveyor belt on the loading mechanism, the distance for manually carrying the goods to the designated position of the loading platform is shortened, saving manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the shaft side structure of the utility model;

[0026] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0027] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along the middle section line DD;

[0028] Figure 4 yes Figure 3 The enlarged structural diagram of the middle A part;

[0029] Figure 5 It is a schematic diagram of the structure of the carrying mechanism;

[0030] Figure numerals: 1-base; 11-castor; 12-plug-in slot; 2-gantry; 21-column; 22-lifting guide rail; 23-plug-in rod; 24-plug-in limit part; 25-push-pull handrail; 3-carrying mechanism; 31-carrying platform; 311-conveyor belt; 312-handle; 32-lifting ear; 33-roller; 34-first connecting part; 35-second connecting part; 4-fixed pulley; 5-manual winch; 6-sling. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0032] As attached Figure 1-5As shown, a detachable manual transport trolley includes a base 1 and a carrying mechanism 3, wherein the base 1 is provided with casters 11, and the carrying mechanism 3 includes a carrying platform 31 and a lifting lug 32; it also includes a portal frame 2 inserted into the base 1, and two columns 21 of the portal frame 2 are provided with lifting guide rails 22, and the carrying mechanism 3 can be lifted and lowered along the lifting guide rails 22; the portal frame 2 is provided with a fixed pulley 4 and a manual winch 5, and the height position of the fixed pulley 4 is higher than the height position of the manual winch 5; a sling 6 is provided in the groove of the fixed pulley 4, one end of the sling 6 is connected to the lifting lug 32, and the other end of the sling 6 is wound around the manual winch 5.

[0033] When moving goods, the manual winch 5 is rotated to release the sling 6 wound thereon, and at the same time, the loading mechanism 3 descends along the lifting guide rail 22 under the action of gravity and pulls down the sling 6 connected thereto until the surface of the loading platform 31 is lower than the lower surface of the goods or is flush with the lower surface of the goods. The goods are moved to the loading platform 31, and the manual winch 5 is rotated in the opposite direction to wind the sling 6 thereon. The sling 6 pulls the loading mechanism 3 so that the loading mechanism 3 rises along the lifting guide rail 22 to the transportation height, and pushes the trolley to move to the unloading destination. After arriving at the unloading destination, the manual winch 5 is rotated to lower the loading mechanism 3 or raise it to the required height for unloading to unload the goods. When the utility model needs to be transported to other places for use, disconnect the sling 5 from the lifting lug 32, pull the door frame 2 upward to remove it from the base 1, and at the same time, the carrying mechanism 3 also detaches from the lifting guide rail 22, and the transport trolley is disassembled into three parts: the base 1, the door frame 2 and the carrying mechanism 3. Each part can be transported separately and then assembled into a whole after being transported to the destination. The utility model can also be disassembled into multiple components with smaller volume and weight on the premise of meeting the requirements of transporting goods, thereby reducing the transportation volume; the multiple disassembled components can be reassembled after the transfer is completed, and the base 1 and the door frame 2 can be connected in a plug-in manner to achieve rapid assembly and disassembly of the two, thereby improving assembly and disassembly efficiency.

[0034] The base 1 is generally assembled or welded from profiles and is used to carry goods in a horizontal direction. There are at least three casters 11 on the base 1. In order to ensure that the base 1 is balanced and does not tip over, generally, there are four casters 11, of which two casters 11 are universal casters with brake structures. The portal frame 2 is used to install the carrying mechanism 3 on the base 1, and the column 21 on the portal frame 2 is used to provide movement guidance for the carrying mechanism 3. Usually, the column 21 is a steel material such as a channel steel, a rectangular steel pipe or an I-beam, or an aluminum profile. The base 1 and the portal frame 2 are generally plugged into each other through a plug-in slot and a plug-in rod. The plug-in slot can be set on the base 1 or on the column 21 of the portal frame 2. Specifically, the base 1 is provided with two plug-in slots 12 with notches facing upward, and the portal frame 2 is provided with a plug-in rod 23 plugged and connected to the plug-in slot 12. Preferably, the plug-in rod 23 is the column 21, which has a simple structure and is convenient for manufacturing and installation.

[0035] The lifting guide rail 22 can be a guide groove or a convex guide strip. It can be installed on the column 21 by fasteners, or it can be an integral structure formed integrally with the column 21. Specifically, both of the two columns 21 are provided with lifting guide grooves, and the notches of the lifting guide grooves on the two columns 21 face in opposite directions; the end of the lifting guide groove has a mounting opening; the lifting guide rail 22 is the lifting guide groove; the carrying mechanism 3 is provided with a lifting part, and the lifting part can move up and down along the length direction of the lifting guide groove to ensure the lifting and lowering direction of the carrying mechanism 3. The notches of the lifting guide grooves can be arranged facing each other or facing each other to achieve the horizontal limit of the portal frame 2. Preferably, the notches of the two lifting guide grooves are arranged facing each other, which is convenient for processing and manufacturing, and easy for assembly and disassembly. The lifting part on the carrying mechanism 3 is installed in the lifting guide groove through the mounting opening. The overall height of the transport trolley may be higher than the height of the assembler. For the convenience of installation, preferably, the mounting opening is located at the lower end of the lifting guide groove. The lifting part on the carrier mechanism 3 can be a slider, or a roller or a ball. Preferably, the lifting part is a roller 33, and a plurality of rollers 33 are provided. The plurality of rollers 33 are all rollingly connected to the lifting guide groove. There is rolling friction between the roller 33 and the lifting guide rail 22, thereby reducing the lifting and lowering movement resistance of the carrier mechanism 33.

[0036] Preferably, the portal frame 2 is provided with a plug-in limiter 24 protruding in the horizontal direction, and the plug-in limiter 24 is used to limit the depth of the portal frame 2 inserted into the plug-in slot 12 to ensure the overall height of the trolley. The plug-in limiter 24 can be a limit pin, a limit block or a limit plate. Preferably, the portal frame 2 is provided with a push-pull handrail 25, and during transportation, the operator holds the push-pull handrail 25 to move the trolley horizontally.

[0037] The lifting eye 32 may be a lifting ring structure or a hook structure. The sling 6 may be a structure such as a wire rope, a cable or a chain, and may be connected to the lifting eye 32 by binding, hooking or bolting. For easy disassembly, preferably, one end of the sling 6 connected to the lifting eye 32 is provided with a hooking portion, and the hooking portion is hooked and connected to the lifting eye 32. As a further preferred embodiment, the manual winch 5 is a self-locking manual winch to prevent the loading mechanism 3 from sliding down and falling.

[0038] The loading mechanism 3 is used to carry goods and drive the goods to rise and fall, and the loading platform 31 directly supports the goods. The loading platform 31 can be a frame structure or a plate structure with a load-bearing surface, on which a limiter and other structures for fixing the goods can be set. Preferably, the loading platform 31 is provided with a conveyor belt 311 arranged in a horizontal direction, and the conveyor belt 311 is provided with a handle 312. It is only necessary to manually carry the goods to the conveyor belt 311 at the edge of the loading platform 31, and pull the handle 312 in the horizontal direction to drive the conveyor belt 311 horizontally, so that the goods are synchronously moved to the carrying position of the loading platform 31, shortening the distance for manually carrying the goods to the designated position of the loading platform, saving manpower. The conveyor belt 311 is provided with an anti-slip structure to increase the friction between it and the goods to prevent the goods from slipping.

[0039] The transport trolley will pass through a slope during the walking process. The conveyor belt 311 is prone to transmission and slippage under the gravity of the goods, causing the goods to slip and cause safety accidents. Preferably, the conveyor belt 311 is provided with a first connecting part 34, and the loading platform 31 is provided with a second connecting part 35 for connecting with the first connecting part 34. The second connecting part 35 is connected to the first connecting part 34 to position the conveyor belt 311 in the conveying direction, so as to prevent the conveyor belt 311 from rotating during transportation and causing the goods to move horizontally or fall, thereby ensuring the safety, stability and reliability of the goods transportation. The first connecting part 34 and the second connecting part 35 can be connected by bolts, pins, buckles and other structures. As a further preference, the first connecting part 34 is a positioning hole set on the handle 312, and the second connecting part 35 is a positioning column; the positioning hole is hooked and connected to the positioning column to position the conveyor belt 311 in the conveying direction. The structure is simple and easy to operate. The handle 312 can be made of flexible materials such as rubber and fiber, or it can be made of sheet metal.

[0040] In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the figures, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationships in the figures are only used for illustrative purposes and cannot be construed as limitations on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

Claims

1. A detachable manual transport trolley, comprising a base (1) and a loading mechanism (3), wherein the base (1) is provided with casters (11), and the loading mechanism (3) comprises a loading platform (31) and a lifting lug (32); characterized in that: It also comprises a door frame (2) plugged into the base (1), two upright posts (21) of the door frame (2) are provided with lifting guide rails (22), and the object carrying mechanism (3) can move up and down along the lifting guide rails (22); The portal frame (2) is provided with a fixed pulley (4) and a manual winch (5), and the height position of the fixed pulley (4) is higher than the height position of the manual winch (5); A sling (6) is provided in the groove of the fixed pulley (4), one end of the sling (6) is connected to the lifting ear (32), and the other end of the sling (6) is wound around the manual winch (5).

2. The detachable manual transport trolley according to claim 1, characterized in that: The base (1) is provided with two plug-in slots (12) with notches facing upwards, and the door frame (2) is provided with plug-in rods (23) plug-connected to the plug-in slots (12); The plug-in rod (23) is the upright column (21).

3. The detachable manual transport trolley according to claim 1, characterized in that: Both of the two upright posts (21) are provided with lifting guide grooves, and the notches of the lifting guide grooves on the two upright posts (21) face in opposite directions; The end of the lifting guide groove is provided with a mounting opening; The lifting guide rail (22) is the lifting guide groove; The object carrying mechanism (3) is provided with a lifting part, and the lifting part can move up and down along the length direction of the lifting guide groove.

4. The detachable manual transport trolley according to claim 3, characterized in that: The notches of the two lifting guide grooves are arranged facing each other; and the mounting opening is located at the lower end of the lifting guide groove.

5. The detachable manual transport trolley according to claim 3, characterized in that: The lifting part is a roller (33), a plurality of the rollers (33) are provided, and the plurality of rollers (33) are all rollingly connected to the lifting guide groove.

6. The detachable manual transport trolley according to claim 1, characterized in that: The door frame (2) is provided with a plug-in limit portion (24) and a push-pull handrail (25) protruding in the horizontal direction.

7. The detachable manual transport trolley according to claim 1, characterized in that: One end of the sling (6) connected to the lifting ear (32) is provided with a hook portion, and the hook portion is hooked and connected to the lifting ear (32); The manual winch (5) is a self-locking manual winch.

8. The detachable manual transport trolley according to any one of claims 1 to 7, characterized in that: A conveyor belt (311) arranged in a horizontal direction is provided on the loading platform (31), and a handle (312) is provided on the conveyor belt (311).

9. The detachable manual transport trolley according to claim 8, characterized in that: The conveyor belt (311) is provided with a first connecting portion (34), and the loading platform (31) is provided with a second connecting portion (35) for connecting with the first connecting portion (34); the second connecting portion (35) is connected to the first connecting portion (34) so ​​that the conveyor belt (311) is positioned in the conveying direction.

10. The detachable manual transport trolley according to claim 9, characterized in that: The first connection part (34) is a positioning hole arranged on the handle (312), and the second connection part (35) is a positioning column; the positioning hole is hooked and connected to the positioning column to position the conveyor belt (311) in the conveying direction.

Citation Information

Patent Citations

  • Manual transportation vehicles

    CN205442529U